**9.9** is equivalent to 990%

#### Steps to convert decimal into percentage

- Multiply both numerator and denominator by 100. We do this to find an equivalent fraction having 100 as the denominator.

9.9 × 100/100 - = (9.9 × 100) × 1/100 = 990/100
- Write in percentage notation: 990%

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#### Decimal to percent converter

Express as percentage: 9.899 9.901